I have the following problem:

<a name="A">
   <b name="B"/>
</a>
<c name="C">
   <b name="B"/>
</c>

<d ref="B" />

I need an xsl rule that allows me refer to a specifc 'b' element. But I can't constrain the 'b/@name' value to be unique other than within an 'a' element.

Please help.